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Tanya [424]
2 years ago
6

At the market 5 light bulbs cost $9. How much do 7 cost

Mathematics
1 answer:
Naddik [55]2 years ago
5 0

Answer:

$12.6

Step-by-step explanation:

9/5=x/7

1.8=x/7

*7    *7

12.6=x

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